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A study on performance of UWB system in the presence of IEEE 802.11a interference

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3 Author(s)
E. Pakdeechard ; Fac. of Eng., King Mongkut's Inst. of Technol., Bangkok, Thailand ; M. Chamchoy ; S. Promwong

This paper illustrates the effects of IEEE 802.11a narrowband interference (NBI) on ultra-wideband (UWB) system. The empirical path loss model is considered for UWB time-hopping transmission with both pulse position modulation (PPM) and bi-phase modulation (BPM). Our study demonstrates that significant performance loss increases as the T-R separation increases. Moreover, the performance of UWB-PPM in the presence of NBI also better than BPM. Therefore, the BER performance is sensitive to the separation distance between the transmitter and the receiver. Moreover, it also depends on the separation between the UWB receiver and the IEEE 802.11a interferer.

Published in:

IEEE International Symposium on Communications and Information Technology, 2005. ISCIT 2005.  (Volume:2 )

Date of Conference:

12-14 Oct. 2005